Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation any of the above (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 Z1 = Z2 = Z0 any of the above (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 Z1 = Z2 = Z0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is 10.01 kV / μs. 2.0 kV / μs. 12.2 kV / μs. 9.01 kV / μs. 10.01 kV / μs. 2.0 kV / μs. 12.2 kV / μs. 9.01 kV / μs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? All of these. Load cycle tests. Impulse tests. Thermal stability test. All of these. Load cycle tests. Impulse tests. Thermal stability test. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 31.7 38.6 35.45 23.9 31.7 38.6 35.45 23.9 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect depends on distance between the conductors relative permeability frequency All of these distance between the conductors relative permeability frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydro power stations what is an enlarged body of water just above the intake and used as a regulating reservoir called Spillways. Penstock. Fore bay. Reservoir. Spillways. Penstock. Fore bay. Reservoir. ANSWER DOWNLOAD EXAMIANS APP
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